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Finding the Fourth Proportional to 8,895.59, 13,347.26 and 4,218.88

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Solution

The fourth proportional to 8,895.59, 13,347.26 and 4,218.88 is: 6,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.59 : 13,347.26 = 4,218.88 : x
  2. Step 2: Convert to fraction form
    8,895.59/13,347.26 = 4,218.88/x
  3. Step 3: Cross multiply
    8,895.59x = 13,347.26 × 4,218.88
  4. Step 4: Simplify right side
    8,895.59x = 56,310,488.27
  5. Step 5: Solve for x
    x = 56,310,488.27/8,895.59
  6. Step 6: Final answer
    x = 6,330.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.